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| 1 ## -*-makefile-*- |
| 2 #****************************************************************************** |
| 3 # Copyright (C) 2008-2011, International Business Machines |
| 4 # Corporation and others. All Rights Reserved. |
| 5 #****************************************************************************** |
| 6 # Make sure we have the right version of Make. |
| 7 |
| 8 at_least=3.80 |
| 9 ifeq ($(MACHTYPE),i370-ibm-mvs) |
| 10 at_least=3.79.1 |
| 11 endif |
| 12 ifeq ($(PLATFORM),OS390) |
| 13 at_least=3.79.1 |
| 14 endif |
| 15 ifeq ($(MACHTYPE),powerpc-ibm-os400) |
| 16 at_least=3.77 |
| 17 endif |
| 18 |
| 19 latest_a=$(firstword $(sort $(MAKE_VERSION) $(at_least))) |
| 20 |
| 21 ifneq ($(at_least),$(latest_a)) |
| 22 err: |
| 23 @echo "ERROR: $(MAKE_VERSION) - too old, please upgrade to at least $(at
_least)" |
| 24 @false |
| 25 else |
| 26 ok: |
| 27 @echo "$(MAKE_VERSION) (we wanted at least $(at_least))" |
| 28 endif |
| 29 |
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